Kieran Shannon: Have Ireland the capacity to go from great to great again?

LEADERS: Ireland's head coach Andy Farrell and captain Jonathan Sexton after the win over Scotland. Pic: INPHO/Dan Sheridan
Sometimes it takes four years to get back to here, sometimes it can take eight.
Days out from the 2015 World Cup quarter-final, Dan Carter knocked on the door of Gilbert Enoka, then the All Blacks mental skills coach for over a decade.